|73 Magazine (December 2002)|
73 Magazine December 2002 (#505) Commercial-Quality Function Generator - Will you outlive it -or vice versa? ...... K8IHO 10 Shedding Some Light on Dimmers - Why not put one of these triacs to use? ...... W2GOM/7 22 Eager for Meager - Try an 11m vertical on 160 ...... AD1B 24 Shack Switch for Foot Fetishists - Not that it's That kinky ...... WA2OKZ 27 Ashore at Sacrifice Rock! - The saga of a masterful DXpedition ........
Keywords: radio; frequency; amateur; antenna; mhz; ihe; thai; cap; december; amateur radio; radio today; web site; time base; radio book; book shop; ham radio; power supply; cal res; three boats
Downloads: 9,272 (1 review)
|73 Magazine (December 1999)|
73 Magazine December 1999 (#470) The X(Mas)-Files ...... Staff 6 Big-Time Bench Supply - This highly regulated SCR design might be overkill, but it's still fun to build ...... Sellen 10 Secret Death Ray - Or is HAARP a useful science tool? ...... N7MGT 14 TV Tutor - How to get started in SSTV ...... ZL1AAN 22 Why Not Renew On-line? - Here's how to untangle the FCC Web ...... AC3L 24 Read All About It! - Part 1 of Techno-Trivia from The Hertzian Herald ........
Keywords: radio; amateur; antenna; mfj; voltage; ham; mhz; power; frequency; amateur radio; radio today; mfj mfj; ham radio; power supply; morse code; heavy duty; web site; digital port; transmission lines
|73 Magazine (May 1982)|
73 Magazine May 1982 (#260) Pacific Odyssey - the Kingman/Palmyra adventure ...... KB7NW 12 Top-Notch for Top Band - super antennas for 160 ...... N3BEK 26 The Fun-Amp - 20 Watts out ...... WA0RBR 32 The CCD Antenna Revisited - does it measure up on 40m? ...... W4ANL 40 Antenna-Raising: The Good-Neighbor Policy - sidestepping civil war ...... AK5Q/4 42 'Lite Receiver IV - part I: building it is a breeze ........
Keywords: antenna; amateur; mhz; radio; magazine; tor; power; frequency; pth; amateur radio; power supply; toll free; radio club; money order; weather satellite; call toll; residents add
Downloads: 5,670 (2 reviews)
|73 Magazine (October 1979)|
73 Magazine October 1979 (#229) Extremely Low Frequency Radiation: Cause for Worry? - studies on ELF are inconclusive, but the battle is joined ...... WB2NEL 34 An LED Display for the HW-2036 - eliminates unwieldy thumbwheel switches ...... WA4BZP 36 It's a Wattmeter... It's an Swr Bridge.. It's Swattmeter! - a super home-brew project ...... K4LBY 42 The Double-Sawbuck QRM Annihilator - 3-IC circuit yields perfect CW ........
Keywords: mhz; frequency; antenna; output; power; radio; amateur; audio; meter; amateur radio; power supply; ham radio; versa tuner; toll free; front panel; terminal strip; extra class; circuit board; radio rebelde
|73 Magazine (April 1982)|
73 Magazine April 1982 (#259) Watching the Weather - a cheap and easy conversion ...... KA9GDL 10 The Sinkhole That Ate Winter Park - hams vs. hole ...... KA4RUL 18 Operation Skywarn - tracking tornadoes with two meters ...... WB5ZAM 24 Measure Ohms with Your Calculator? - yes, and accurately, too! ...... Johnson 28 Scanning with the IC-280 ...... N7AAD 36 Detect Killer Tornadoes - use an ordinary TV set ........
Keywords: amateur; mhz; antenna; radio; power; kit; frequency; magazine; model; amateur radio; power supply; toll free; ham radio; dual trace; call toll; weather satellite; residents add; morse code; money order
|73 Magazine (September 1982)|
73 Magazine September 1982 (#264) Micro Modem - a RTTY TU designed for computers ...... WA4CKQ 10 F1 for the Hot Water 101 -all the way with FSK! ...... K0JH 20 No-Frills RTTY - $2OO and you're on the air ...... WA4STO 24 Incredibly Simple RTTY - receive it on your TRS-40 ...... WQXI 28 The RTTY/Tri-bander Marriage - enjoy the 100% duty cycle ...... K0ARC 32 Confessions of a Counter Evolutionary - part II ........
Keywords: output; antenna; mhz; rtty; amateur; input; frequency; radio; magazine; power; amateur radio; power supply; toll free; flea market; gmt september; weather satellite; radio club; ham radio; residents add; qso party
|73 Magazine (December 1976)|
73 Magazine December 1976 (#194) Go Tone for Ten - simple subaudible encoder ...... WB6GON 22 World's Simplest Five-Band Receiver? - using an AM transistor radio ...... K3QKO 28 How Do You Use ICs? - part IV ...... WA2SUT/NNN0ZVB 36 Hamming 101 - another Cabrillo College pioneering program ...... Inman 40 A Super Cheapo CW IDer - for FM repeaters and RTTY ...... K4EEU 46 The ZF Special Antenna - double-D "beam" ........
Keywords: mhz; frequency; power; radio; amateur; antenna; output; kit; meter; circuit; amateur radio; power supply; front panel; radio officer; factory wired; residents add; ham radio; circuit board; toll free; radio amateur
|73 Magazine (December 1997)|
73 Magazine December 1997 (#447) Distributed Capacity Folded Loop - This ceiling-mount antenna will really go to your head! ...... W6NBC 10 How to Silverplate RF Tank Circuits - A simple and inexpensive process to reduce losses ...... WB2CQM 18 Build Your First Kit! - Just follow one hams simple advice ...... N0BLX 24 Limited Space Antenna - Short of real estate? This might help! ...... HL9BK/K2KSY 27 How to Build A Great Ham Club - Good advice from the PR master ........
Keywords: amateur; radio; antenna; loop; ihe; ham; circuit; solder; kit; amateur radio; radio today; special event; ham radio; web site; power supply; ground plane; copper pipe
|73 Magazine (December 2001)|
73 Magazine December 2001 (#493) Microwind to the Rescue! - Let the wind keep your emergency batteries charged ...... WA8YKN 10 Subdivision Subterfuge - A Houston homeowner handles his hamming ...... KD5IDU 17 IOTA -AS096 - That's St. Mary's Island to you ...... VU2SBJ 20 Bare Bones Battery Booster - A good project - as long as you understand the dangers and limitations ...... N0GJ 23 VOM Primer - This overview is helpful for beginners and old-timers alike ........
Keywords: radio; amateur; antenna; ham; photo; december; meter; hams; tion; amateur radio; stepper motor; radio today; ham radio; web site; power supply; fly rod; circuit board; microwind generator; radio shack
|73 Magazine (December 1977)|
73 Magazine December 1977 (#207) Inside Ten-Tec - QRP innovators ...... K4MDK 34 The History of Ham Radio - part V ...... W9CI 38 Try BCB DX! - when you're tired of twenty ...... WB2BJH 42 Build An Engine Analyzer - use your scope! ...... WA6THG/KH6 46 More Repeater Control Devices - control unit/audio interface ...... W7JSW 50 How Do You Use ICs? - part VIII ...... WA2SUT/NNN0ZVB 56 Finally! A Practical Discriminator! - metering system, that is ........
Keywords: mhz; frequency; amateur; kit; circuit; power; radio; output; antenna; meter; power supply; amateur radio; tufts radio; mystic avenue; radio electronics; aug aug; jan jan; ham radio; dec dec; front panel
|73 Magazine (April 1977)|
73 Magazine April 1977 (#199) Shoot the Moon! ...... K3BPP 44 Frustrating The Thieves ...... WB0GGT 46 Automatic Autopatch Release ...... WA1RTD 52 Emergency 911 System ...... WA2RXQ 54 The Downspout Vertical ...... K8ANG 55 RTTY? What's That? ...... WA6CPP/WA7PEI 56 Do-It-Yourself Photosensitizing ...... KL7AE 57 Making Your Own PC Boards -Part II ...... Smith 58 Curing Mobile Noise Miseries ........
Keywords: amateur; radio; mhz; kit; antenna; power; meter; frequency; circuit; repeater; circuit board; amateur radio; power supply; barrel kit; front panel; qso party; radio club; ham radio; master charge; kit includes
Downloads: 4,059 (1 review)
|73 Magazine (May 1979)|
73 Magazine May 1979 (#224) CB to 10 - part XVIII: several PLL rigs ...... K9PS 30 PROM IDer for Longer Callsigns - don't be caught short ...... W4VGZ 34 The W7GAQ Key Collection - 250 museum masterpieces ...... K7NZA 38 Proper FM Transceiver Adjustment - good club project ...... VE3AVY 44 Dual-Band Smokey Detector - Super Scooper does it all ...... W1SNN 48 The DXer's Secret Weapon - costs you nothing ........
Keywords: mhz; amateur; radio; kit; frequency; antenna; repeater; power; model; amateur radio; radio club; toll free; power supply; ham radio; call toll; front panel; versa tuner; annual hamfest
|73 Magazine (August 1982)|
73 Magazine August 1982 (#263) Poor Man's Spectrum Analyzer - another 73 breakthrough ...... WB5IPM 10 The AC4YN Story - a Tibetan adventure, circa 1936-1937 ...... G5YN 32 "Smart" Squelch for SSB ...... W9MKV, W9YAN 44 The Ultimate Fuse - ac overload protection ...... W2OLU 52 Multi-Purpose Peak Adapter - don't settle for being average ...... K9EUI 54 The $100 TVRO Receiver - Satellite Central, part VIII ........
Keywords: mhz; frequency; amateur; antenna; output; power; radio; voltage; input; meter; amateur radio; power supply; toll free; circuit board; log amplifier; spectrum analyzer; radio club; dual trace; money order
|73 Magazine (July 1980)|
73 Magazine July 1980 (#238) The Rites of Spring - Dayton does it again ...... N1AUI, WB8BTH, KA1HY 30 One Step at a Time: Designing Your Own Ham Gear - part II ...... W4RNL 36 Top-Banding the DX-60B - put a classic rig on a classic band ...... WB1ASL 44 Forward into the Past! - a solid-state restoration project for a vintage BC receiver ...... W5JJ 48 ADDSCAN - now you can be two places at once ........
Keywords: radio; amateur; mhz; frequency; power; ham; antenna; signal; magazine; amateur radio; power supply; radio club; flea market; ham radio; toll free; front panel; mode switch; signal enforcer; locked loop
|73 Magazine (March 1980)|
73 Magazine March 1980 (#234) Good-Bye to Autopatch Hassles - low-cost remedies to common problems ...... WB2LEI/4 30 Baudot-ASCII Converter Follow-Up - add a FIFO buffer for typing ease ...... VE4YD, VE4CM 34 CB to 10 - part XXII: more talk power for the TRC-11 ...... N4APN 38 The L With It - an alternative to the variable inductor ...... K4KI 40 Future Rig and Rigamarole - are you ready for faster-than-light propagation? ........
Keywords: amateur; radio; mhz; antenna; power; frequency; output; march; meter; amateur radio; power supply; ham radio; field day; toll free; front panel; master charge; trap vertical; radio shack
|73 Magazine (June 1982)|
73 Magazine June 1982 (#261) Build This Digital Vfo - a microprocessor makes it simple ...... WA5VQK 12 Surviving the Unthinkable - part II : some practical ideas ...... AK0Q 30 A Split Personality for the KDK FM2015R ...... K0BV 40 Building for Beginners - happiness is a hot soldering iron ...... N1II 42 Coping with PC Boards - it's not easy to be virtuous ...... KC7M 48 'Lite Receiver IV - the second half ........
Keywords: mhz; amateur; radio; antenna; frequency; kit; magazine; receiver; ham; amateur radio; power supply; toll free; radio club; father dave; ham radio; frequency range; middle east; printed circuit; money order
|73 Magazine (December 1972)|
73 Magazine December 1972 (#147) AFSA IV SSTV Analyzer - Also works for RTTY ...... W0LMD 17 Single Conversion 2m FM - No 455 i-f needed - honest! ...... K1CLL 23 Miniature Tone Encoder - Fits inside the mike ...... WA9VGS 29 Tone Burst Decoder - For repeaters and such ...... W3JJU 33 Universal I-F Amplifier - Like for a 2m panoramic receiver ...... DJ1SK 38 Touch-Tone Connections - For repeaters ........
Keywords: amateur; frequency; mhz; radio; voltage; circuit; repeater; meter; output; tuning; amateur radio; third party; bias voltage; power supply; capacitance variation; slow scan; circuit board; clear cast; amateur extra; party traffic
|73 Magazine (January 1984)|
73 Magazine January 1984 (#280) Breakthrough in Boston: The Birth of Crosslinking - Wl1UKZ built this box. It's small and it works. The question is whether you're ready for it ...... W1UKZ 10 Grenada Log - With a body-bag rig and gas from a bike, a ham hustled home the news. Here's history happening ...... K1XR, N8RK 20 Instant Pane Relief - This is the only notch filter for windows we've ever seen...
Keywords: amateur; radio; antenna; mhz; tor; ihe; magazine; por; operator; amateur radio; power supply; radio operator; ham radio; toll free; radio club; radio amateur; tone generator; packet radio; operator license
|73 Magazine (December 1998)|
73 Magazine December 1998 (#459) Probing Auto Electronics - Help your neighbor identify his car's problem and be an electronic's hero! ...... W6WTU 10 Announcing the QRPeanut - Here's a compact QRP transmatch you can build for next to nothing ...... N5GZH 14 Keys to Better Operating - Yes, much of it is common sense ...... W6BNB 17 Electronic Bug Emulator - Put some personality back into your CW ........
Keywords: radio; ihe; amateur; frequency; antenna; ham; power; thai; circuit; amateur radio; radio today; ham radio; morse code; power supply; matching case; front panel; power meter
|73 Magazine (March 1982)|
73 Magazine March 1982 (#258) The Porta-Peater The Instant Communicator - quick and easy does it ...... WA2BHB, AC2A, WA2UNN 12 Amateur Television's Stripper - a home-brew star ...... VE3CYC 20 Polishing Kenwood's R-1000 - a gem in the rough ...... K9EUI 34 Peaking and Tweaking Surplus CB Boards - the untold story ...... WB0NPN/8 38 OSCAR Pathfinder - a colorful way to track the satellites ...... WB6NQK 46 Which TVRO Antenna Is Best? - Satellite Central, Part IV ........
Keywords: antenna; amateur; mhz; frequency; radio; power; audio; khz; receiver; amateur radio; power supply; toll free; power output; residents add; hewlett packard; front panel; call toll; frequency range
|73 Magazine (March 1977)|
73 Magazine March 1977 (#198) Pitcairn Island ...... VR6TC 28 How Do You Use ICs? - Part VI ...... WA2SUT/NNN0ZVB 36 Low Voltage Power Supply ...... VE3CWY 38 QLF? Not With the Great Lakes Sideswiper! ...... W6VX 44 The Capacitor Comparator ...... WB4MYL 49 Logical Storage for Logic ...... Stanfield 50 CB Can Do Some Things Better ...... Norman 56 A New Breed of Voltage Regulators ...... WA7ABV 62 High-Quality Video Display ........
Keywords: amateur; radio; kit; output; repeater; fcc; mhz; ham; frequency; circuit; amateur radio; power supply; barrel kit; ham radio; remotely controlled; radio service; repeater operation; printed circuit; interim amateur; graph paper
|73 Magazine (July 1981)|
73 Magazine July 1981 (#250) Dayton Dilemma '81 - which new gear do you buy? ...... KA1LR 22 The Fun-Ceiver - easy-to-build companion to February's QRP Fun-Mitter ...... WA0RBR 32 Review: The Kenwood TS-130s - a good rig done better ...... KA1LR 38 Review: The NCG-15 SSB/CW Monoband Transceiver - moving tale of mobile hamming ...... KA1LR 42 The Incredible Shrinking Antenna - give your vertical a top hat ........
Keywords: radio; antenna; amateur; mhz; frequency; magazine; power; receiver; meter; amateur radio; power supply; toll free; front panel; radio club; ccd antenna; ham radio; radio shack; frequency range; call toll
|73 Magazine (October 1969)|
73 Magazine October 1969 (#109) A Super-Gain Antenna for 40 Meters - Nine db on 40 meters might be called "super" ...... W4NVK 8 DX Corner - WTW reports and other DX jazz ...... K2AGZ 12 FET Chirper - Signal source for peaking converters for optimum signal/noise ...... K6QKL 20 The Inside Info on Alexander Graham - Or how the telephone really works ...... W2FEZ 24 Leaky Lines - Similar to "Grumbles," but by a licensed amateur, not a CB'er ........
Keywords: signal; frequency; modulation; amateur; arrl; radio; antenna; modulating; power; receiver; amateur radio; modulating signal; super gain; power supply; ham radio; field service; power level; modulation percentage; audio output; output signal
|73 Magazine (April 1984)|
73 Magazine April 1984 (#283) Doing It At Dayton - This unofficial Hamvention handbook helps attendees and dreamers alike ...... WA4BPI 10 Me and My Stupid Old PMOS Converter - At last, there's an easy way to get -12V from a +5-V power supply. Who said "trial and error"? ...... WB1HKU/6 14 Watch That Signal! -Haul out your old oscilloscope and turn it into a signal monitor. The conversion is easy and the price is right ........
Keywords: radio; filter; amateur; frequency; antenna; mhz; output; ham; magazine; radio shack; amateur radio; power supply; flea market; radio club; toll free; terminal unit; front panel; frequency range; ttl output
|73 Magazine (November 1982)|
73 Magazine November 1982 (#266) A Perfect "10" - Timer, counter, logic probe - 10 functions in all. That's the Multi-Board One and you can build it ...... WA2BHB 10 Remote Control Your IC-701 - Simpler than commercial controllers, this home-brew circuit nevertheless features push-button band changing and frequency selection scanning, and expanded coverage ...... N2GW 14 Automatic Beam Aimer - Here is the scoop on adding set-and-forget convenience to your rotator control...
Keywords: antenna; output; circuit; mhz; voltage; audio; frequency; magazine; power; power supply; amateur radio; toll free; front panel; circuit board; gmt november; printed circuit; frequency range; fox tango
|73 Magazine (December 1981)|
73 Magazine December 1981 (#255) Cold Comfort - an HT to the rescue at fifteen below ...... KA1D 12 Review: The Rex Bassett TLM-2 Mobile Mount - banish your fear of flying ...... KAlLR 18 Update Your CW Music Keyboard - play it again Sam ...... K5KL 20 Review: The Kenwood TR-7730 Transceiver - Let's get small ...... KA1LR 26 Joe Ham: The Consumer - do you fit the mold? ...... N6AVU 32 Bob Cooper: Profile of a Pioneer ........
Keywords: antenna; mhz; amateur; frequency; radio; power; magazine; signal; satellite; amateur radio; power supply; toll free; hewlett packard; packard packard; directional coupler; ham radio; front panel; packard hewlett; hewlett hewlett
|73 Magazine (August 1984)|
73 Magazine August 1984 (#287) Top-Notch Tuner Time - Can't get your signal out of the backyard? Build KC2NT's antenna matcher and hear what you've been missing ...... K2NT 8 Cheap Power Ploy - This rugged supply will give you more power than you ever dreamed possible. Have we gone too far this time? ...... K9QLL 10 Penn's Two-Tone Gadget - Clue one: We're talking about lab quality. Clue two: Get your junk box ........
Keywords: amateur; output; radio; ihe; mhz; frequency; antenna; tor; ttie; amateur radio; power supply; radio club; toll free; gmt august; selcal code; print print; arecibo observatory; prices subject; annual hamfest
|73 Magazine (December 1983)|
73 Magazine December 1983 (#279) Code Practice: Have You Seen the Light? - This simple cpo is the best weekend project under the sun -or bulb ...... Davidson 10 Unlimited Guarantee for Power Supplies - Plan for the worst and you'll get the best, says KC0EW. He might be right ...... KC0EW 20 PC Boards in a Flash! - Make circuit boards without expensive equipment. All you need is a light and a fast switch hand ........
Keywords: antenna; amateur; mhz; radio; ham; output; tor; magazine; power; frequency; amateur radio; power supply; ham radio; front panel; antenna tuner; toll free; qsl cards; radio club; radio amateur; circuit board
|73 Magazine (October 1992)|
73 Magazine October 1992 (#385) Packet on the Mac - Connect with the world without a TNC ...... KD6CMT 8 A 2 Meter FET Amplifier for Your Handheld - Build this simple, inexpensive amplifier ...... AA4AW 20 A New Look at Loop Antennas - Adding regeneration to ferrite-core and open-wire box loops ...... W2IMB 28 Baby Loopy - A half-wave, inductively-loaded loop ...... NH6XK 34 Noise Reduction Using Broadband Active Whip Antennas - Clear reception for the VLF/LF bands ........
Keywords: radio; amateur; antenna; mhz; ihe; packet; ham; power; meter; amateur radio; radio today; feedback card; packet radio; ham radio; power supply; circuit board; serial port
|73 Magazine (October 1977)|
73 Magazine October 1977 (#205) Communicate On 10.25 GHz - with a simple transceiver ...... WA3ETD 26 Home Brew Tilt-Over - the water pipe special ...... W4MEA 30 Minimize Feedline Loss - UHF buffs, front end center! ...... W2STM 32 How About 6 FM? - it's easy with a modified HE-50 ...... W3KBM 34 W.A.S. -Easily! - catching the last few ...... W7FGD 38 Fool the Wire Wizard - a computer would have helped ........
Keywords: mhz; frequency; antenna; output; power; amateur; kit; meter; radio; circuit; amateur radio; tufts radio; power supply; mystic avenue; radio electronics; power output; barrel kit; circuit board; low power; master charge
|73 Magazine (June 1995)|
73 Magazine June 1995 (#417) The N4UAU Super CW Station - This li'l gizmo does it all! ...... N4UAU 10 Collinear 5/8 - Wave Omni Antenna for 2 Meters - Commercial antenna performance at a home-brew price! ...... WD0O 18 Battery Monitor and Charge Controller - Check the voltage and keep the battery charged ...... K4GOK 32 An Inexpensive Morse Code Keyer - Build your own for under 10 bucks ...... N2YMW 36 Measuring the Antenna from the Shack - The half-wave length feedline and how to get it ........
Keywords: antenna; amateur; radio; mhz; ihe; meter; ham; tuner; power; frequency; amateur radio; radio today; ham radio; field day; antenna tuner; feedback card; power supply; morse code
|73 Magazine (December 1985)|
73 Magazine December 1985 (#303) FM Your IC-730 - Put the icing on your ICOM-and discover why the 10m-FM craze is sweeping the nation! ...... N9DBX 18 Join the SWOT Team! - 2m FM is fun, but using a repeater won't challenge your skill. Turn the switch to SSB and find out what ham radio is really about! ...... KA3B 26 One-Chip Facsimile - We all talk about the weather; now you can see it on your Atari...
Keywords: antenna; radio; mhz; tor; power; amateur; ssb; amateurs; radio amateurs; signal; driven element; signal generator; power supply; ssb championship; amateur radio; ham radio; mobile unit; smart patch; power supplies
|73 Magazine (December 1990)|
73 Magazine December 1990 (#363) Behold the BackPacket! - Go take a hike with packet radio ...... NW6H 9 Upgrade Your HD-4040 - KISS your Heath HD-4040 and keep AX.25 too! ...... N2BLI 19 The VOX Plus HT Accessory - Enjoy base station performance -with your HT! ...... WA2EBY 24 Pack Your Seabag, "Sparks" - Do you want to be a ship's Radio Officer? ...... N0MM 35 Audio Powered Tape Recorder Controller - Add convenience to your hamshack ......KE0UV 54 Ten-Tee's Hercules II Model 420 - Turn your ri...
Keywords: radio; amateur; antenna; ham; audio; mhz; frequency; ihe; power; amateur radio; radio today; ham profiles; power supply; ham radio; feedback card; profiles ham; tape recorder
|73 Magazine (December 1980)|
73 Magazine December 1980 (#243) Who Really Invented Radio? - the twisted tale of Nathan B. Stubblefield ...... WB2NEL 36 In Search of the Elusive SES - track solar activity with this simple VLF receiver ...... WA3UER 42 An Even Better IC Timer - better than what? ...... WA0PBQ 46 Direct Printing FAX - Part II: constructing the facsimile recorder ...... WB8DQT 52 A 600-MHz Universal Counter - you'll freq out over this one ........
Keywords: mhz; frequency; antenna; power; magazine; radio; output; amateur; amateur radio; audio; circuit board; radio shack; power supply; variable attenuator; toll free; ham radio; radio club; time base; front panel
|73 Magazine (December 1982)|
73 Magazine December 1982 (#267) The Hangman's 2-Meter Collinear - Make your tower do double duty. Drop this array from the top and get 6-dB gain ...... W1GV/4 10 Deep-Six Squelch Tails - Kerchunks take a dive with the addition of this audio delay ...... WA2NYE 14 Build Yourself A Paralyzed Beam - Go from east to west In less than a second with this 2-meter array. And put your rotator out to pasture ........
Keywords: antenna; mhz; frequency; amateur; power; radio; audio; receiver; rtty; magazine; power supply; amateur radio; toll free; front panel; ham radio; squelch tail; morse code; residents add
|73 Magazine (December 1979)|
73 Magazine December 1979 (#231) New Product: Swan's Astro 150 SSB Transceiver ...... WB8BTH 32 Low-Cost Receiver for Satellite TV - this modular design uses readily available technology ...... N6TX 38 A Simple 2m/10m Crossband Repeater System - work the world with an HT! ...... K9EID 44 Audio Booster for Mil-Surplus Receivers - a must for headphone haters ...... McClellan 50 Working with FETs - part II : experiments with gain and supply voltage ........
Keywords: mhz; frequency; amateur; antenna; output; circuit; power; audio; radio; amateur radio; power supply; ground rod; ham radio; toll free; square wave; prices subject; printed circuit; master charge; call toll
|73 Magazine (December 1991)|
73 Magazine December 1991 (#375) The Simple TX TX - The perfect companion for the SupeRX receiver! ...... WA6IVC 10 Project INSPIRE: A Space Shuttle Experiment - Build a simple receiver to explore the wonders of the 60,000 meter band! ...... KG6EK 22 The QUAG-V - A high performance and wide bandwidth antenna for VHF and UHF ...... WB3AYW 36 Computerized Tuning for Ramsey Receiver Kits - It doesn't have to be expensive ........
Keywords: amateur; radio; mhz; antenna; frequency; ham; repeater; receiver; amateur radio; radio today; power supply; feedback card; ham radio; high speed; call call
|73 Magazine (December 1969)|
73 Magazine December 1969 (#111) Quick, Easy, Dependable Transistor Diode Checker - For those who like checkered diodes ...... W6ICC 6 Did Samuel Morse Really Invent the Telegraph? - Telegraph? What's that? ...... W2FEZ 10 Combination Dummy Load/Attenuator Network - Also doubles as a hot plate for your coffee warming ...... W2EEY 14 Tuned Filter Chokes - The Easy Way - Can your filter chokes carry a tune? ........
Keywords: circuit; frequency; amateur; output; crystal; power; meter; input; oscillator; mhz; amateur radio; power supply; vdc vdc; extra class; resonant circuit; crystal oscillator; test equipment; feedback network; power output; input signal
|73 Magazine (June 1979)|
73 Magazine June 1979 (#225) Add Digital Display for $50 - 100-Hz accuracy ...... K4IQJ 28 High-Performance Receiver Add-Ons - aren't ICs wonderful? ...... W5DA 32 A Solution to the Home-Brew Housing Shortage - building a box for your next project ...... W0IHI 38 How Do You Use ICs? - part XI ...... WA2SUT/NNN0ZVB 42 Customize Your HT144B - some nifty mods ...... W2KGV 46 Ultra-Simple CMOS Logic Probe - a single IC does it all ........
Keywords: amateur; radio; mhz; power; frequency; antenna; circuit; electronics; kit; amateur radio; power supply; front panel; toll free; call toll; radio club; circuit board; printed circuit; ham radio
|73 Magazine (October 1984)|
73 Magazine October 1984 (#289) Find Fault with Your Coax - Is your cable really doing its job? Find out with this elegant detective method ...... K4IPV 10 The Aussie Parasol Beam - What has twelve corners, three bands, and uses 140 feet of wire? Hint: It's not a quad ...... W6TYH 20 The Incredible Broadband Bowtie - Truly designed for solid-state finals, this 75m antenna features 50 Ohms at the feed-and less than 1.5:l swr across the band ........
Keywords: antenna; amateur; radio; frequency; tion; rtty; ham; mhz; amateur radio; magazine; private patch; velocity factor; ham radio; smart patch; volunteer examiner; driven element; noise bridge; gmt october; radio club
|73 Magazine (November 1984)|
73 Magazine November 1984 (#290) Color Computer SSTV: Part I - Turn your CoCo into a complete SSTV terminal How? First, build this high resolution display system ...... K6AEP, WB8DQT 10 Wrap Up TVI! - Can you endure another evening without transmitting? Use this simple cure to choke out television interference forever ...... KR7L 26 But I Know How To Solder! - Anyone can dribble hot metal over a joint, bit it takes an artist to really solder...
Keywords: amateur; mhz; radio; filter; antenna; frequency; display; magazine; circuit; amateur radio; power supply; front panel; radio shack; smart patch; gmt november; ham radio; radio club; toll free; radio amateurs
|73 Magazine (November 1989)|
73 Magazine November 1989 (#350) Sing for the unsung Heroes - Let's recognize our clubs selfless volunteers! ...... K5CVD 36 1989 Holiday Wish List - Some of the best values for holiday gifts ...... 73 Staff 60 FLAVORIG! - Have a Radio Shack Flavoradio? Turn it into a 80-meter CW transceiver! ...... KBlUM 12 The Bitchaser - Build this versatile piece of test equipment for digital circuitry ...... K4OND 18 Bargain Audio Frequency Meter - $10 and an easy evening of home-brew gets you this very use...
Keywords: radio; amateur; mhz; antenna; frequency; ham; amateur radio; feedback card; ham radio; power supply; dual band; radio shack
|73 Magazine (March 1979)|
73 Magazine March 1979 (#222) RAM Scan Your KDK - amazing flexibility for $30 ...... WB2JHN 26 The NCX-Match - build something useful ...... WA6NCX/l 32 The Memorizer Goes to MARS - expanded frequency coverage ...... KH6JMU 38 Build a Hybrid Capacity Meter - digital circuitry, analog display ...... WA4HUU 40 Power Plus! - a 20-Amp, adjustable, regulated dc supply ...... W6YUY 42 Reaching for the Top - why stop with the General ticket? ........
Keywords: frequency; mhz; power; output; diode; antenna; amateur; kit; radio; amateur radio; power supply; toll free; front panel; call toll; frequency counter; ham radio; master charge; time base
|73 Magazine (September 2002)|
73 Magazine September 2002 (#502) Amplifier Testbench Report - Here's a look at broadband amps that's packed with useful insight ...... K8ZOA 10 2m/70 cm quad Revisited -Part 2 - Try out this new, improved update to a CQ article (July 1999) ...... K8IHQ 18 General-Purpose Interface Board for the ISA Bus - A simple, inexpensive alternative for interfacing resl-time, home-brewed applications to the PC ........
Keywords: amateur; radio; mhz; antenna; frequency; deviation; ham; signal; web; amateur radio; radio today; web site; field day; ham radio; book shop; radio book; power supply; noise figure; voltage gain
|73 Magazine (October 1982)|
73 Magazine October 1982 (#265) The Splattometer - visual overmod warning ...... W1BG 10 Digital Basics - part II ...... K4IPV 20 Dissertation Upon Roast Pig - the ultimate in surplus? ...... N6TO 28 Got an Apple? Want RTTY? - try this hard-core interface ...... WB6FBN/4 34 The Pleasures and Perils of Crankup Towers - don't lose your head! ...... K4TWJ 40 The Incredible Antenna Mark 2 - a complete HF allbander in a very small space ........
Keywords: antenna; output; amateur; mhz; power; magazine; radio; ham; por; power supply; amateur radio; toll free; ham radio; radio shack; radio amateur; qso party; power supplies; radio club
|73 Magazine (December 1960)|
73 Magazine December 1960 (#3) Transistorized 220 MHz Converter - Crystal controlled too ...... W3HIX 8 RF Sniffer - Snooper sensitive RF detector which you will build ...... K5JKX/6 11 SSB Dynamic Demonstrator - Teaching SSB calls for some tricky stratagems ...... W2UQB 12 Capacity Meter - Two ranges : 0-40 pF (resolves 1 pF) and 0-900 pF ...... K8ERV 14 Station Control System - Even if you don't build this one it will give you ideas ........
Keywords: circuit; relay; voltage; frequency; receiver; squelch; oscillator; signal; meter; transistor; power supply; noise figure; positive voltage; delay relay; mmfd ceramic; amateur radio; squelch control; short wave; pickup loop; plate current
|73 Magazine (December 1995)|
73 Magazine December 1995 (#423) A Portable Integrated 20 Meter SSB/CW QRP Ham Radio Station - A ten pound powerhouse ...... KB4ZGC 10 Nostalgia For The Future - High performance crystal radio utilizes a high-efficiency JFET detector and dual resonant circuits for superior performance ...... KC3ZQ 14 A Perspirational Message ...... W2NSD/1 17 Jan Mayen - A Special DXCC Country ...... AJ0N/LA6US 18 Key It! ........
Keywords: radio; amateur; antenna; ham; repeater; power; mhz; ihe; hams; amateur radio; radio today; ham radio; feedback card; power supply; antenna tuner; call sign; jan mayen
|73 Magazine (December 1978)|
73 Magazine December 1978 (#219) A DXer's Dream Vacation - try sunny Montserrat ...... WB6JPZ 30 Close Encounters - the eyes of Texans are upon them ...... K8NQN 36 The Schizophrenic Triangle - a split-personality radiator ...... WA4JTJ 44 From CW to Computers - a digital modulation primer ...... N6RY 48 A 28 Cent Touchtone Mod - something for (almost) nothing ...... W9CGI 56 Space Age Surplus - your own Saturn V? ........
Keywords: antenna; mhz; amateur; frequency; output; meter; radio; swr; circuit; amateur radio; power supply; ham radio; nov nov; toll free; sep sep; oct oct; feb feb; jan jan; jul jul
|73 Magazine (December 1974)|
73 Magazine December 1974 (#171) Making Nicads Behave ...... K2OAW 24 Zillions of Parts For Nothing ...... WB9MQY 36 C31 or Bust! ...... DK8SQ 39 Wind Indicator For Your Shack ...... W5ZG 41 Modified Weather Satellite ...... WB8DQT 48 A Logical Keyer? ...... K2QKO 53 The Perils of Novicehood ...... WA1SNG 58 Can FM Simplex Be Solved? ...... WA6CPP 65 Meters And Their Faces ...... W5IUR 70 Slow Scan Tape Secrets ........
Keywords: amateur; mhz; jan; voltage; meter; antenna; radio; sstv; oct; battery; amateur radio; wind velocity; power supply; slow scan; ham radio; address city; logic probe; tuned diode; test equipment; sstv monitor
|73 Magazine (November 1977)|
73 Magazine November 1977 (#206) Build The Omni-OSCAR! - practical omnidirectional antenna ...... K2OVS 24 Get Set For OSCAR 8 - details on the new bird! ...... W3HUC 28 Build An OSCAR 2m Transverter - make QRP days a success! ...... W2GN 32 Predicting OSCAR Propagation - not always simple ...... G3IOR 34 Try OSCAR Mobile - the ultimate DX test! ...... W2GN 40 Tic Tac Touchtone - a new mentod! ........
Keywords: mhz; oscar; antenna; frequency; kit; power; satellite; meter; amateur; model; power supply; amateur radio; tufts radio; radio electronics; mystic avenue; barrel kit; frequency counter; low power; clock kit; baud rate